$(document).ready(function() {
    $('form#newsletter_signup').jsubmit();
});

$.fn.jsubmit = function() {
    if ($(this)) {
	var email_box = $('input#input_email_address');
	var search_button = $('input#button_email_address');
	email_box.val(suscribetext).blur(function(){$(this).val(($(this).val() == '') ? suscribetext : $(this).val())}).click(function(){$(this).val('')});
	$(this).submit(function(e){
	    if (email_box.val() == '' || email_box.val() == suscribetext) return false;
	    window.open('http://www.feedburner.com', 'popupwindow', 'scrollbars=yes,width=550,height=520');
	    return true;
	});
    }
}